Technical Information

Brief overview of the risk:
This security update resolves 13 privately reported vulnerabilities in Microsoft Office. The most severe vulnerabilities could allow remote code execution if a specially crafted file is opened in an affected version of Microsoft Office software.
Detailed Information on the risk:

Remote code execution vulnerabilities exist in the way that affected Microsoft Office software parses specially crafted files. An attacker who successfully exploited these vulnerabilities could take complete control of an affected system.

Further information on this exploit is available at : MS13-072